[化] 苯乙醚; 乙氧基苯

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(187) / 评论(0) 分类 2014年VOA慢速英语(五)月

This is the VOA Special English Health Report. Bisphenol A is a chemical widely used to make hard, polycarbonate plastic. Food storage containers, reusable water bottles and baby bottles are among the many different products that may contain BPA. BP

发表于:2018-12-15 / 阅读(162) / 评论(0) 分类 VOA慢速英语2008年(九)月

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(140) / 评论(0) 分类 VOA双语新闻 2014年1月

This is scientific American sixty seconds science. I am Amy Kraft. Got a minute? Sweat potatoes contains fiber, vitamin A and calcium, but the way that scientists think they can make them even more healthful is literally shocking. Researchers found t

发表于:2018-12-24 / 阅读(111) / 评论(0) 分类 Scientific American(八)月

By Carol Pearson Washington 04 July 2007 Researchers have found that chocolate dark chocolate is good for your heart. They say it may stave off hardening of the arteries among smokers, and it has more antioxidants per gram than red wine, green tea or

发表于:2019-01-06 / 阅读(155) / 评论(0) 分类 2007年VOA标准英语(七月)

1. The Dow Industrials rose nearly 142 points after more than a 500-point drop Monday. The move came as the Fed left interest rates unchanged and also pumped 70 billion dollars into the financial system. 2. Residents of Galveston in Texas have been

发表于:2019-01-11 / 阅读(228) / 评论(0) 分类 美联社新闻一分钟2008年(九)月

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2014年(一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(110) / 评论(0) 分类 白领英语晨读

SCIENCE REPORT – January 9, 2002: Red Wine and Heart Disease By George Grow This is the VOA Special English SCIENCE REPORT. British scientists may have discovered the reason why red wine appears to

发表于:2019-01-30 / 阅读(158) / 评论(0) 分类 科技之光

By Melinda Smith Washington 08 August 2007 Scientists are concerned about the health risks of an ingredient in many of the plastic containers used for food and drinks Bisphenol A or BPA is a common chemical used to make tough, shatter-resistant plast

发表于:2019-02-03 / 阅读(145) / 评论(0) 分类 2007年VOA标准英语(八月)

1) Go on a date 去约会 2) Dinner and a movie 先吃饭, 然后去看电影 3) He is such a gentleman 他是一位真正的绅士 4) Chivalry 对女孩子的谦恭有礼

发表于:2019-02-03 / 阅读(135) / 评论(0) 分类 OMG美语

Hey, I'm going to tell you about my wax museum story. Um, so I would go with my little host brother, Javi, on our little dates because he never went into the city, although he lived really very close to the city, he would just never go into Madrid. S

发表于:2019-02-06 / 阅读(143) / 评论(0) 分类 原版英语对话1000个

BRUSSELS, May 31 (Xinhua) -- Baby bottles containing the substance Bisphenol A (BPA) would have to be pulled from the shelves across the European Union (EU) starting from Wednesday, in a milestone move to better protect the health of EU citizens, an

发表于:2019-02-08 / 阅读(160) / 评论(0) 分类 英语新闻

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(139) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(154) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(156) / 评论(0) 分类 万物简史

Tea has complex compounds called polyphenols which are believed to help the arteries to relax or dilate, thus enabling a smoother flow of blood. 茶中含有一种叫多酚的复杂混合物。这种物质据信能帮助放松或扩张动脉,从而使

发表于:2019-02-17 / 阅读(183) / 评论(0) 分类 实用英语

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(172) / 评论(0) 分类 TED演讲教育篇

听力内容有不详尽之处啊,欢迎大家留言讨论,纠正。谢谢 在线英语听力室http://www.tingroom.com Wed wines,it contains polyphenol, which have anti-accident properties.And those are known to accede lower our blood pressure b

发表于:2019-02-28 / 阅读(157) / 评论(0) 分类 访谈录2012年

Every time i go to the grocery stores,i consider buying Organic vegetables because they are supposed to be healthier or something,but they are also moreexpensive. So is it worth it to pay more for the supposed health benefits? Well, it might be w

发表于:2019-03-06 / 阅读(167) / 评论(0) 分类 英语时差8,16
学英语单词
after-dead wood
air cylinder upper gasket
almoseir
anastomosis forceps
antenna pointing system
arnaz
avalanche phototransistor
battery breast system
block method (for controlling accounts)
blood scavenger
bossnapping
brief-cases
brother-and-sister
carpogonium
checklock
chinese pharmacy
colpohysterosope
continum mechanics
correction equation
cylinder-oil
diffusion approximation
distinct inprovement
double roving spinning
drilling machine with pivoted arm
edaphon
engine column
Enkefal
enlarged-section
euler integral scale
face toward
female friend
field adsorption
formativetissue
fractional variation
francesca
Freirina
gravitation acceleration
gummatous
halophyte salt-rejection
he-said
headboroughs
hemorrhagic otitis
Hempstead County
high-lift slabbing mill
howsomdever
identity crisis
incontracted
index structure
inflammable constituent
infrabuccal chamber
interface variable
Inveraray
lake-view
Local Security Authority
lung infarction
Maxwell Montes
maxwell-boltzman distribution
Meeks Bay
membranule
mixing mills
narrow mouth flask
national advertiser
necromania
Nervus ampullaris posterior
new process carbon black
nonhumans
otuhaka (tonga)
overall length in transporting condition
pan paniscuss
passarotti
planktophile
platinammines
polar,polar curve
polygonous
pre-epimeron
quartz beaker
rate for the job
rathed
receiving route
restoring spring
Securinega virosa
self-similar flow
serial numbers
sheckels
states-system
static effect of conjugation
suhn
surf's up
tanchuanoleberis menishihia
temperature and humidity
triazeno
trypothane
undamped vibration
untilled land
us o
utilikilt
valve setting table
Vitis vinifera
voting securities
wavellite
well-mettled
whitakers